Duplicator



Aug. 20; 1935. J. FLANIG AN DUPLICATOR Filed Feb. 20, 1934 2Sheets-Sheet l INVENTQR /0H/V d. FLA/V/GAN Aug. 20, 1935. J. J. FLANIGAN2,011,713

DUPLICATOR Filed Feb. 20, 1934 2 Sheets-Sheet 2 INVENTOR JOHN J. FLA N16AN J L ATTORNEYS Patented Aug. 26, 1935 r -Es {PATENT "OFFICE.

- fiUPLICATOR i barand'lied alf sii nasit facilitate strippin lapelttffacil itefie removal of aLf tQb Iet'fiOm the bed,

" jv'ievif n' lihe of plic'atox showing the from? enient oftlie' mar:-

, 1g. 41s a perspective View of'on'e of the' hdmemberofftfie fz 'a "e; and A Fig. 10"is a fragmenta y fi'dnt elevation off the 20 duplieaktonalkof the slabSan'd the drawer being removed.

The-maih-bbqy of tliefra'xfie of the m'achin'ejS a; trough-like sheetme'tlgl member'cdnsi sfiing of a, nap b ttqmwan r! ar d t'vmparlngitudinal 2'5 s idefwalli l 2,feach of which wiaJlsil?has at its upperedge an outwardly extending flange I3 The flat" sheet same horizontalplane as flanges)" {3 m itself 30 The bed'terminatee slliortf-pff thefrent and rear 35 Uhdjei lymg the bed; flanges l5 1 Underlyi g the-Bedre thre-isupniosed and herizontallyfdjspesed sheetmetal shelves |9*f'orth e"'1pwerif10st"dne of shelves I 9? This plate 2| upstanding extensionqr upper end portionfZ'l Extendin along the top face of each shelf [9adjacent the opposite longitudinal side edges of the shelf are twoerwise affixed to the shelf and each having 7 ,5 along its inner edge aninverted L-shaped flange are preferably zoiital leg of sn ps. r nehsrmee anaemi are leas V as ' I e n d eieie wa e erw e stending rearwardbeyondft he rear;

23 the horizontal leg of which is directed inward over the shelf and ispreferably upturned slight- 1y at its forward end as shown. Thefshelvesl9 jsligh'tlyishorter thanfth'e bedfli l as shownpthe're'ar end edges ofthe shelves'ilying in the vertical plane the upper face of the'flanges l3' and the upper 7 ed L-shapedfiange 25 which eXtendssubs'tan-v I 5tially the full, length ;-of

a, the d h. -ihe.- ,ler oi the flange directed inward over the aminebed. Bars t 1.:,; d an ave nar ow d Po on L ft 'd evsflrin .fi ne s 1 asho n- T s "each flange 25 is preferably bent at, its front end, asshown.

a p e d sli h l consists'of jag rigid' and" flat backing or baseP01111011 26 of reetangular igrni' (prefer ably f @e a sc eereeh or ge alayer er per-Denim .Zl: 2 .$i i1e i 1 sm lle aifixed to the base e I Vabletcorresp nd I i he vertical legs of the'itwolflanges 25, the of.-thebase25 of the' tabletcorresponds cal s ac ng;

h bed 4' andfth'e width of the centrist: the, tablet is t'iiual,tmendpreferably;as Shown, greater than thewidth o f;thhorihontallegs of flanges 25.

A tabletisattachedtothe ifranie,in DOSition I A p p "Intheqdrawings theimpression-roller or platen 34 is shown liftediro'm its; sheetfpre'ssingposi for use bysliding it longitudinally'rearward over ithe mag-want 7"tablet engaged in the 'ways fformedlbythe guidis is releasabl loched.in t s position. by 'rne'ansv of Tvic ei29. .7

. I ,."I'he, rnargin holder cornprises'a san r aneilo lis tliesie fie?"h i i e metal bars 22welded or otho upper face of said 'bottom'faoe oithe bed. Along its front edge of the rearv edge of the bed, Two flatsheet metal bars 25 extend longitudinallyoijthe frame, at opposite sidesof the 1 e a of same-21 on the bed to hold'the slab against marginalportion or bed "I 4, 7

otherwise secured bed-t1 5Eachzbar -24 24 extend substantiallytheiiull'length end; of the,

a .i l eh p q h lab r. t e e nt 0f t J duplicator tio'nqj l .of plate28. [Of a slab from the H v e H bed is provided centrally "thereof witha finger mg, centered on the I base portion to leave unii orm marginalend porfort/most "m te nalir v nectiojn with pressed upon 7 bdlA by handor .a hand roller, the duplicator is preferably'provided with a suitableimpresvsion rollerand i pression rollercarriage for this I roller'deviceis shown, wherein of, thebed, the width g,

pivotally-supported :is reciprocable fore-and+a ft of the bedgand theslab thereon, of theghorizontallegs of t p 1' gen e- W ubrismostend.Iwithltheilongitudinalgmarginalportions of the irtion 5 251% of plate 2I. The" tablet is thus movement in" all directions except hush,withi'the'frjont edge of bed The tablet derlying'the forward endportionof. bed l4 and hinged at'its rear end to the bed to swing up anddownby .a hinge springs 31 normally hold the flat bodyp'ortion of thebar in a'horizontal plane with the body portion abutting the said barhasa flange lying at right angles to the main body '01 the bar andnormally extending vertically-upward at the front edge of: bed M toa'level higher than the bed and'the-hecpair 'ofhinges 30. A pair oftograph slab 26-21 on the bed, said flangenormally. abutting the frontedge of the base 26 forwardmoveinent, and. said flange projecting to a"level higher than the slab 'orposition the sheet; A sheet tobelaid, orimpressed upon th hectographic layer of the slab isfgauged or positionedby engaging one edge thereofbehind ,the upstanding portion of the marginbarfprojecting aboveflthelevel oi the'slab.

,7 The bar is depressible againstrthezresistance of f the hingespringsto an inefiective position' Shown in Fig; 7 permitting a slab261-41 t0 be e for engagement by edge-ore masteror a copy sheetto gaugeslid ho'ri'zqr itally onto arid off the bed. FAs'will fro Fig.7

ppe I on the topmost shelf 7 v 7 return to effective positio f whnflaslab is pushed rearward-into engagement with stop porfiTO bed, "the'front Qdg'e Of the clearance notch 32" to mit'grasping" of the theslab? The upstanding portion oi' margin bar 29 is providedf-withfa'central figure clearance notch 33 opposite notch' 32 sothat 'the extentto'lwhich the'bar "must bedepressed, to permit the aforesaid grasping{of theslab' is reduced;

jvifliiljefmaster andicopy'jsheets used fin conthe] duplicator jim'ay belaid or imthe gelatin surface of the slab on ing afpapertabljBl and 2,15

feed roller 38; spring urged forw ard to press ,a sheet'tothe roller; 34whenj'thefllatteris moved usual operatingrhandle' 39 fisf'fixed to theyoke.

porting wheels journalle'd on the carriage, and

has; the-usual pair of iore-jand-aft spaced sleeves "4 ,i'atf oneendfthereoi connecting the carriage to 'pivotally and slidably ahorizontalguide rod 42. extending longitudinallyei the duplicator at theright hand s'ideof the frameg In*the construction shown,

improved means. In the 'improved construotion,

*,the supporting; wheels adjacent the opposite I '7, the bar ZFmaybeshifted t'o ineffectiveposition without contactingjaslab I9,,an d willautomatically 39 facilitate withdrawal 7 and down swinging yoke 35 ehowever, the; vwheeled, carriage is supported and H guided by A wellknown form of ca'rriage and thegsheets down press a; sheetinsertedbetween-rollers V t 34 and 38. t0 the 'gelatin'surfagof'the'slab 'lhe 59 tion-fi'nto position for, insertion oi a, sheet into7 :the carriage between rollers 3A andliiil. The carriage" is providedwith the usual pair: of sup- -q.enu-.s;=cr the carriage :overlie :andnormallyirest upon two tracks on the frame, each ofxvwhich ,::track isformed by oneiof the flanges .l3 and zz-the lover-lying portion of thatone of" the bars I r5114 -whichtis welded or otherwise fixed to .saidflange and'gthe' adjoining marginal portion of s bed l'd. :Rigidsupporting tracksifor the carriage are :thus :provided; onxthe sheetmetal .frame.

L in ,the improved construction the. guide .rod Film-#42 15supportemonthe :frame in an improved mannerfor limited up ,rand' 'down movementwithout --tilting. s ai'dtrodrhas reduced end por- -ltiens fastenedbypins 44 (Fig. 1) :in the outer ends of a pair of arms 4'5,;'said'arms:being .pivoted at their innerends at 46 on theiout- :gwardly projectingportions of brackets 41 welded otherwiseafiixed to the right hand sidewall t ofthe -frame at the'outer face of said wall opposite ends .ofthewall below flange 3 of i2!) 1 e dwall; The weight'of rod: 42 and arms*45 i s' counterbalanced by a compression spring '48 .whioh projectsupward from-a socket 4.; in a block fillwelded or otherwise afiixe'dtothe rear iQne'fOf the brackets 41, the projecting upper 25 endofsaidspring 48Vengaging under the outer en'd portion of the rear 'al heforward reduced end portion 5| of guide rod-42 extends forward throughvan aperture 52 -(EigxlO) in the forward one of the brackets andis-normally out ;of-eontact with the edge of the-.-aperlture as shown inFig. 10. End portion 5;! of rodt-42 'is adapted to engage the edge offhegaperture at the top and bottom of the aperture -tojpermit onlyasmall amount of up and 535 downmovement of the rod.

Ilfhe' carriage wheels are coactive with the frametraoks to support thecarriage out of con- 1 ago When the impression roller is forcedthickness-of the sheets used andofnthe slab on the bed-and atlthesamevtime the carriage and [roller are a-adaptedto assume parallelism withthe bed atthe different required levels and to reifio L ciprocate overthe bed withoutfore-and-aft tiltand without lateral skewing. When it isdessiredto -h'ave unobstructed access to the bed, torgthe slab 'thereon,the carriage isswung upward and-to the right into the position shown a55.Fig. 6;:part 51 of rod-42 engaging the bottom r or apertureSZ after aslight downward move- }.inentof the rod to prevent therod'from drop-Ql-p'ingso farthat a pair of stop and supporting Lanes ;533 (one on eachsleeve 4|) cannot engage asshovvn in .Fig, 6, underthe twoply,frame:track at the right hand-side'of the machine. v -A stop 54'on guiderod'42 arrests forward moveument of-the carriage at a sheet insertingpoint at iwhioh the impression roller is depressible on to 7565 theislab atthe forward end of'the gelatin layer 21. Ilhegusual rearwardsheet laying or impressing movement of the carriagemay be limited byastopdevice 55 on therod 42, which device is adjustahle longitudinallyof the rod. 7

" alptfacilitate strippingvofa sheet from the 'hectograph slab .by-hand;after thefsheet hasbeen -pressed on thesl'abby theroller 34 during arearwar d r sheet --la-ying movement of the carriage, the

5 bed lldiis providedgat :its-front edge with a pair rof-fingerclearingnotches56 registering-withwthe pair of notches 28 in thefront edge of the rs-versible and detachable.slab,.2and1the margin baris cut away entirely through its'upstanding'fflange portion and rearwardpart-way through its normally orizontal '.portion to provide "two.fin'ger 5 clearance :no'tches 57 extending backrthroug'h the front:of'ithe bar and positioned to register with the bed notches 5-56 .inthe normalpositi'onof :the margin bar. :It .is thus possible-to grasp'the front :edge rof the impressed. sheet with the 'foreafin'ger l0 andthumb of eachhand and vpeelit *upwardand rear-ward :o-if the gelatinsurface of the pad-or slab on the bed. v i

Asuita'blehandleiais afiixed to ther'iglit hand side wall l 2 oftheframe for :use in carryingthe 'Ithe sizes'hown in Figs. '1 and 2, soas to be light and compact but still capable of handling sheets withinthe usual size range. a V

Preferably provision is made for storage of 'a supply-of clean papersheets and 'for'handli'ng said project above'the top walltas doesalsothefront wall to form an open tray at'thetop of the box. Preferablysheet metal cross-barsfil are held to frame of theiduplic'ator when thecombined box and tray is .slid into the frame as shown in Figs. land 2.The rear wall or box door 6| "is preferably A stacked supply. of cleanpaper sheet-smay :be stored withinthe closed box inthe'frame. When it isdesired to take a run of copies from a :negative impression transferredfrom amaster sheet V l to the gelatin surface of the slab: on the bed,the

and-tray is withdrawn from the inactiveeposition .and'the active orsheet impressing position-of the impression rollerzintthe carmiage. 1215"ill h h I 12,011,713 :-What1claim';is:ir r 1 islab notches. whensaidbari-isslab-engagin :f, 115A duplicatorfcomp'rising arectangular-hecwfposition. 2 V tographslah'a'bed for saidslabg rneansfixed rela- L a 85A duplic tor asclaimediin'claim '7, whereintivelytothe bed and abutting three edges-and the :upper faceof: saidslab to prevent shifting-moveement-Dfsthe. slab relatively-tothabedexcept edge- 'se sliding movementof the slab in'one direction, and meansabutting thefourth-edge of the slab to prevent iedgejwisetslidingrriovement ofzthe slab in said one directionandrshiftably supported*for'movement relatively to saidbe'd into a posigition permittingedg'ewise withdrawal of the slab said one direction from the bed. 2;-;2; A: duplicator as 'claimed inl claim 1, wherein saidg s iftablysupported slab-engaging ,rneans -cornprises amargin bar having meansforjgaug- 7 ing a sheet to be'irnpressed'upon thehectograph slab.

" v 4. 3A duplicator as" team 11, wherein 2145 V V a {notch iin one endedgethereof, a hectograph carriage guide rod to which the carriage' i'sslidably held, and" a sheetmetal supporting frame 3. A duplicator asclaimed l, wherein said shiitablyysupported slab; engaging means isQpivotally mounted and is spring-urged into slab- 'eng g ing po sition.I

u i m l. ii b s s ense s bre e s ne'm ns i Jone endyof 'th'elbed toinove dovm andup, respectivfily from and .to

, end 'dg'e or the slab, said margin bar having sh e e s ne margln barsupported adjacent a. position for engaging one means projecting abovethe margin har engaged end of theslab, when said ,ba is in slab-engagingjejdge 'of'a sheet'to be laidfupon the slab} 5.ZA duplicator as claimedin claim, 1, wherein 'm'allyengaged' flatwise with the bed under. the

bed and a1 slabaengagirig j and sheet-gauging "*fiange portion normalyprojecting upwardly at;

f the bed above the plane "f'the 'ppersuriace o f theslab'; v

f6. A duplicator comprising a bed; fora hectograph 'slab, said" bedhaving a finger f'clearance sl'ab; andmeah's for'relea'sably holdingsaid slab 1 on 'said bed with ei ther endedge offs aid slab atthe'nptchedfend ledge 01" the bed, said slab having a notches'larran'ged forregistration of one of the slab',-notches with the-bednotch when the slab'is its -enol edges uprovided'wit'n finger clearanceheld onthebed bysaid means-with either of the end edges of the -s'lab atthefnotched end; of the to the re'gister'ed bed' and slab notches.

' 1* '1.- VA duplicatorcomprising-a frame including a bed .for a'hectograph slab, said'bedhaving a I finger clearance notch in'one'endedge'thereof,

a: hectograph slab-' fresting mend bed, a sheet- .i-gauging-i marginb'ar "at the notched edge of the 'nbed abutting'one end edge of theslab, and shiftably supported-for downward movement "below the bedtorelease: the slab;'- stationary 'ine'ans on theitrame forming *slidewaysin; which the side qedges of the slab are engagedand stationary"means'fon-nthefram'e abutting the opposite end 7 T edgeiof' the slab;s'aidaslab having a" finger clearance -notch in one end edge-thereofregistering with the"; bed notch and also having a finger zclearanc'enotchin its opposite end edge "adapted to register withthebednotch-'when'the s1ab is V reversed end 'for end'on the bed, a'nd said1nargm Ibar being provided with notch registeringwith said registeredbed and a finger clearance z hectograph i slab only of" the the slab:a'gainst: facewis'e'; inovernent with one end vedge of the slab atCsaidq end edge" of the .;bed, :said; endedge of i'clearance notch"therein underlying the "adjacent portion of the slab, a sheet-gauging-margin bar-{havingta body. portion hinged to" the b'ed adj'acent'thenotched end edge" of the'l bed to swingiup and down about'an axisparallel to' fsaid .l end: edge ofi the bed, and spring means 'yieldablying- Ifianfge, wardly above" the bed and slab along the notched Lendedgeofthe bed and is alsoprovidedwitha said 'shiftablys'upportedslab-engaging'means is I V finger clearance notchopposite said bednotch. 35

bed; said slab holdingmeans permitting access,

twoply tracks for bedeach have "a pair of fingerclearance'notchestherein, which pairs'of'notches are -inregister,"andthe slab v clearance notches in each 10 'endedge thereofgandidenticallylocated along said two slab edges, one of which pairs of notcheszregisters with the registered pairs of" bed and, g'lmarginlbar notches.V 1 r 1. '9. duplicator comprising a bed, a hectof-graph slab;.st'ationary means for :holdingthe to said bed for sliding'of; the slab?on to and oil 1 the bed fronibnefendedge bed, said means and bedholdingthe bed having; a finger holdinglsai'd body portion of -the bar flatwiseR v 3'againsttheiunder-iace 0t theed; 'said'bar havposition, forengagement with fsaid means; of one ing an upstanding sIab hOIding andsheetaugwhich flange I normally projects uplO'I- A duplicator as claimedin 'claim 7, where,-

ginalsend'portions of the base;

' l1. A- duplicator comprising fahectograph =s'1ab'; an impressionroller carriage 'i'eiprocable'a over-said slab, and having supportingwhelsya ionsaid'slab'and carriage and guide-rod; 'said frame comprisinga base memberhaving a bot- 1.5

' tomvvall and two opposed upstanding side walls,

'said side Walls havingoutward projecting flanges at their upper enas, abed for said slab" extending between-the upper ends o f' s'aidside wallsin the lane ofrsaid flanges and" having pendentedge 525 "flahgesheld tothe" side walls atJthe inner faces of said wallaanda pair of fiat barsoverlying the 3 side wall 'fianges and adjacent marginal portions -*ofthe bedand held 'to saidffia-nges and bed, each said "bar having alongits inner edge an inverted a 60 L-sha'peu' Lflange' "the horizontal "legof which overhangs'the' slab; said L-shaped flanges form-- mg slide waysforjthe slab, and the 'wall flanges and superposed portions of the barsforming the supporting wheels ofthe .1

carriage, "and said guide rod being supported on 'the frame at. theouter side'of one' of' the side wallsof saidbase memberfandextending-longitudinally, of said "Wall. 7

-12; A duplicator, as claimed, claim ll',"having 7 0 "insaidframe-below'the bed "a plurality of superposed sheet-metal shelves forextra hecto'graph slabs, said shelves beingjsupported fr'omtheside"walls of the'b'ase member an-upstanding sheet metal plate extendingtransverselybf' the base -7'5 end of the bedinto and out of its gaugingand slab-retaining position.

13. In a hectograph duplicator, the combination of a frame including arectangular bed for supporting a hectograph slab, means fixed relabed,slab-end abutting means fixed relatively to said bed at one end of thebed to abut one end edge of such a slab, and a combined sheet-gaugingmargin bar and slab retainer shiftably supported on the frame to move upand down at the other end of the bed between a sheet-gaugingand'slab-retaining position in which said bar is positioned to abut theother end edge of such a slab and a position in which such a slab may beslid endwise on to or off of the bed.

14. In a hectograph duplicator, the combination of a frame including arectangular bed for supporting a hectograph slab, means fixed relativelyto said frame forming slab-retaining slideways extending along thelongitudinal side edges of the bed to receive the side edges of arectangular hectograph slab slid endwise on to the bed, slab-endabutting means fixed relatively to said bed at one end of the bed toabut one end edge of the slab, a combined sheet-gauging margin bar andslab retainer shiftably supported on the frame to move up and down atthe other end of the bed between a sheet-gauging and slab-retainingposition in which said bar is positioned to abut ofi" of the bed, andmeans yieldingl holding the margin bar normally in said sheet-gaugingand slab-retaining position of the bar.

15 A hectograph duplicator comprising a sheet metal base member having abottom wall and two 7 opposed side walls, a sheet metal top wallsupported from said side walls, a series of superposed sheet metalshelves between the top and posite side edges of said top wall between.said upstanding plate and the opposite end of the top wall, each saidbar having an inverted L-shaped flange at its inner edge forming withsaid top wall a channel adjacent one side edge of said top wall, and ahectograph slab removably seated on thereof engaged in the channelsformed by said top wall and said inverted L-shaped flanges.

16. A hectograph duplicator comprising a sheet metal base member havinga bottom wall and two opposed side walls, a sheet metal top wallsupported from said side walls, a series of superposed sheet metalshelves between the top and bottom walls and supported from the sideWalls, a transverse upstanding sheet metal plate supported from the topand side walls at one end of said series of shelves and the top wall andextending upwardly from the lowermost shelf to a point above the levelof the top wall, and a pair of sheet metal bars held to the top wallextending along the upper face of said top Wall at opposite side edgesof said top wall between said upstanding plate and the opposite end ofthe top wall, each said bar having an inverted L-shaped flange at itsinner edge, and a hectograph slab removably seated on the top wall withone end edge thereof abutting said transverse plate and its oppositeside edge portions confined between the top wall and said invertedL-shaped flanges, and a slab-retainer pivotally supported to move updown into and out of a slab-retaining position inwhich it projects abovethe level of the top wall at that end of said wall opposite the one atwhich the transverse plate is located to abut the other end edge of theslab.

17. A hectograph duplicator comprising a frame including a bed, asheet-laying carriage reciprocable over said bed longitudinally of theframe and bed, a pair of brackets held to the frame at one side of theframe and extending outwardly from the frame, a pair of outwardlyextending arms pivotally held at their inner ends to said brackets, aguide rod having reduced end portions fixed in the outer ends of saidarms, said carriage being slidably and pivotally held to said guide rod,one of said brackets having a socket JOHN J. FLANIGAN.

